Graph showing how one price of PC memory and storage has changed

ByAlberto D'Ottavi

There is a storage device for holding digital data called memory and storage on the PC, but as 1 Mb floppy disk is now being replaced by USB memory exceeding 100 GB, various types Through the media, it has changed dramatically from its shape to capacity, and even to the price. Among such memory and storage, the graph showing the price per 1 MB of what was sold from 1957 to 2015 is shown and shown.

Graph of Memory Prices Decreasing with Time
http://www.jcmit.com/mem2015.htm

The graph showing the cost per 1 MB is as follows. The vertical axis shows the price of the memory (dollars / MB), the horizontal axis shows the year sold, and you can see that the unit cost per 1 MB has fallen steadily. In this graph, the top of the vertical axis is "1.00E + 09", that is, 1 × 10 9, it is 100 million dollars (about 12 billion yen), the bottom is "1.00 E - 06", that is 1 × 10 - It is a logarithmic graph with 0.000001 dollars (about 0.0001 yen) by the sixth power, so you can see that there is a tremendous price opening more than it looks.


As types of memory and storage, "Flip-Flops", "Core (Magnetic core memory) "" ICs on boards ""SIMMs"DIMMs"Big Drive"" Floppy Drives (floppy disk) "" Small Drives "" Flash Memory (Flash memory) ""SSDIt is classified into 10 types.


Information on the memory shown in the figure seems to be summarized in the following page.

Memory Prices 1957 to 2015


According to this page, the oldest of the data is 0.00098 KB transistor Flip-Flop sold from "C.C.C." in 1957, the price is 392 dollars (140,1120 yen at that time). On the other hand, the newest one was sold online on May 15, 2015Newegg.comDDR 3 - 1600 memory made by. The capacity was 8GB × 2 and the price was 91.99 dollars (about 11,000 yen) with shipping fee included.

In addition, the data of the flash memory and the disk drive are also on the following page.

Flash Memory Prices (2003-2015)

Disk Drive Prices (1955-2015)

These data had only 256 bytes of memory The world's first personal PC "Altair 8800It was created by former computer scientist John C. McCallum who has been involved in computers and programming since the era of " It is unknown what kind of judgment criteria memory and storage are selected, but the number of data collected has exceeded 300, and it is certain that the unit price per 1 MB is decreasing steadily.

"If in the world 60 years agoWorld's largest 16 TB (Terabyte) SSDIf you can go to sell ... "There is a lot of price fluctuation can not be helped without thinking.